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Tutor profile: Sandun T.

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Sandun T.
Best tutor for Civil engineering
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Questions

Subject: Environmental Engineering

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Question:

Briefly discuss the Biological waste water treatment chain ?

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Sandun T.
Answer:

1.Bar Screen -Remove Large particle 2.Grid Chamber -Remove sand and Silt 3. Sedimentation Tank -Remove grease and suspended solid 4.Biological Treatment -Remove colloidal and dissolve organic matters. 5. Disinfection -Remove pathogens

Subject: Civil Engineering

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Question:

There is a W kN/m load(including self weight) along a Beam and Beam length is L (m)and both ends of the beam are fixed.What is the maximum Bending moment and shear force of the Beam?

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Sandun T.
Answer:

Maximum bending moment is (W*L^2) /12 kNm Maximum Shear force is WL/2

Subject: Physics

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Question:

A ball release from the top of the building directly to the ground and it hits the ground after 10s .what is the height of the Building? (Take g=10ms^-2)

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Sandun T.
Answer:

S= ut +(at^2)/2 u=0 ms^(-1) ,t=10s ,a=10ms(-2) S=travel length(Building Height) S=0*10 +10*(10^10)/2 =500m Building height is 500m

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